The present disclosure relates to a wireless battery management system, and more particularly, to a wireless battery management system, a node for wireless communication, and a method of transmitting data, which ensure stability and efficiency when obtaining battery data through wireless communication. A wireless battery management system includes a manager node obtaining battery data from a plurality of monitor nodes by using a first channel and a second channel which are communication channels based on wireless communication, a first monitor node collecting first battery data and transmitting the first battery data to the manager node through the first channel during a first dedicated slot, and a second monitor node collecting second battery data and transmitting the second battery data to the manager node through the second channel during the first dedicated slot.
Legal claims defining the scope of protection, as filed with the USPTO.
4. The wireless battery management system of claim 3, wherein the manager node changes the first channel to the third channel and changes the second channel to the fourth channel.
5. The wireless battery management system of claim 3, wherein the first monitor node and the second monitor node share the first dedicated slot, the second dedicated slot, and the third dedicated slot in a data frame including a plurality of time slots.
7. The manager node of claim 6, wherein the manager controller sets the first monitor node and the second monitor node to a group, sets a plurality of dedicated slots shared by the first monitor node and the second monitor node in a data frame having a certain time length, and assigns the set plurality of dedicated slots to the first monitor node and the second monitor node.
8. The manager node of claim 7, wherein the manager controller sets a channel of each dedicated slot for each monitor node so that different channels are used during a dedicated slot shared by the first monitor node and the second monitor node.
12. The manager node of claim 6, wherein the manager controller alternately sets a communication channel of the first wireless communication unit to the first channel and a third channel and alternately sets a communication channel of the second wireless communication unit to the second channel and a fourth channel.
14. The monitor node of claim 13, wherein, when the monitor controller fails in transmitting the battery data through the first channel, the monitor controller changes the communication channel of the wireless communication unit from the first channel to a second channel and retransmits the battery data to the manager node through the second channel during a second dedicated slot.
15. The monitor node of claim 13, wherein the monitor controller collects the battery data including one or more of a temperature, a current, a voltage, and diagnostic data of the battery module.
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July 31, 2020
October 25, 2022
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